# Placement Papers - IBM

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### IBM Campus Placement Paper (Technical)

Posted By : Santhiyaa Rating : +57, -11

Paper: IBM Campus Placement Paper (Technical)

1. An attribute in a table that is related with primary key of the another table is called...

Ans : Foreign key

2. The scope of the static variable is...

Ans : function

3. Which of the following has the function scope?

A. Automatic
B. Static
C. Global
D. Goto label
E. All the above

Ans : E.

4. Which one of the following is not related with files?

A. fopen
B. fclose
C. freopn
D. fftell
E. none

Ans: D

5. Which one of the following is not a keyword?

A. volatile
B. inc
C. sizeof
D. default
E. none

Ans : B

6. Rom is

Ans : non Volatile, cannot be changed and it contains boot up program.

7. How many different binary trees can be formed by 4 nodes?

Ans : 12 Note:(2 power n) " n
Jagan- ans: 14 (quetion 25 in 191 page)

For 3 nodes ans is 5.

8. char *p = (char *)10 means
A.It points to the value at address 10.
B.It returns the character whose ASCII value is 10.

Ans : A

9. Running time of a function f(n)=8T(n/2)+qn for n>1, where q is a constant...

Ans : n power 3. (Check the answer)-correct

10. Order of Bubble sort

Ans : O(n power 2)

A. Increases .exe file size.
B. Is a good programming practice.
c. Takes more compilation time.

Ans : B.Is a good programming practice.

12. Convert the following decimal number into Hex number... 10767

Ans : 2A0Fh

13. Vector processing means

Ans : Processing the column vector elements parallelly.

14. Constant member function can be loaded with

A. Constant member function.
B. Static member function.

Ans : C. Cannot be overloaded.

15. By using which of the following functions, we can access the members of the two instances of a same class

A. Member function.
B. Friend function
C. Both A and B.
D. Neither A nor B.
E. none.

Ans : C.

16. Exception specification is in c++ to provide
A. Documentation
B. Object oriented ness
C. Error handling

Ans : c

17. Which one of the following is a parse generator?

A. YaCC
B. Lex
C. Vi
D. Emac
E. none

Ans : YaCC

18. In a communication model, we can communicate in both directions, but only one at a time. So the system is called

A. Simplex
B. Half duplex
C. Full duplex
D. none.

Ans : Half duplex